Granted Patent
Utility
US 5,478,758 · App. 08/253,514
Method of making a getterer for multi-layer wafers
Inventor:
William Easter
Patented Case
View Patent ↗
Granted: Dec 26, 1995
Filed: Jun 3, 1994
Inventor
William Easter
Assignee (at issue)
AT&T CORP.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.